Home / 817,500-1,226,434.54-248,931.94

Finding the Fourth Proportional to 817,500, 1,226,434.54 and 248,931.94

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Solution

The fourth proportional to 817,500, 1,226,434.54 and 248,931.94 is: 373,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,500 : 1,226,434.54 = 248,931.94 : x
  2. Step 2: Convert to fraction form
    817,500/1,226,434.54 = 248,931.94/x
  3. Step 3: Cross multiply
    817,500x = 1,226,434.54 × 248,931.94
  4. Step 4: Simplify right side
    817,500x = 305,298,729,325.21
  5. Step 5: Solve for x
    x = 305,298,729,325.21/817,500
  6. Step 6: Final answer
    x = 373,454.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.